Mica-spodumene glass-ceramic articles

Details Mica-spodumene glass-ceramic articles Mica-spodumene glass-ceramic articles

1975-09-29

1976-12-14

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Marking

C03C 322, C03C 304

Patent

active

039973522

ABSTRACT:
This invention is concerned with the production of glass-ceramic articles wherein phlogopite mica solid solution and beta-spodumene solid solution comprise the primary crystal phases. Such articles demonstrate good machineability characteristics along with low coefficients of thermal expansion, excellent thermal shock resistance, and relatively high refractoriness.

REFERENCES:
patent: 3573074 (1971-03-01), Duke et al.
patent: 3856497 (1974-12-01), Hummel
patent: 3881944 (1975-05-01), Beall et al.

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